ureteric bud

bud (bud)

1. a structure on a plant, often round, that encloses an undeveloped flower or leaf.

2. any small part of the embryo or adult metazoon more or less resembling the bud of a plant and presumed to have potential for growth and differentiation.

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end bud  caudal eminence.

limb bud  a swelling on the trunk of an embryo that becomes a limb.

periosteal bud  vascular connective tissue from the periosteum growing through apertures in the periosteal bone collar into the cartilage matrix of the primary center of ossification.

tail bud 

1. in animals having a tail, the primordium that forms it.

2. caudal eminence.

taste bud  one of the end organs of the gustatory nerve containing the receptor surfaces for the sense of taste.

ureteric bud  an outgrowth of the mesonephric duct giving rise to all but the nephrons of the permanent kidney.

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ureteric bud, ureteral bud

see metanephric diverticulum.